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Factory clocks were optional in all 1200 models for either rectangular or round style dashes. It was standard equipment on GL & GX models where the clock was fitted the Console, while other models fitted the clock in the instrument panel to the left of the speedometer.
Contents |
Overview
Clocks were made by Nilesᴳ, Kanto Seiki☁ (関東精機), Citizen Watchᵂ (シチズン) or JECO☁ (ジェコー).
Square H10 w/o numbers G10 with numbers
Round H20 narrow font with bracket H26 narrow font w/o bracket PB110 H30 wide font long bracket H34 wide font no bracket G16 wide font no brackets, no tabs
1974 B120 Owner's Manual (Page 17 ... 17)
Comfort and Convenience Features
Turn right to advance hands — to the left to retard hands. Several settings may be needed to obtain completely accurate time keeping.
Clock/Tachometer Mask
Font
As with the other gauges (Speedometer & Tachometer), later Clock versions use a different font:
Narrow vs Wide font
Rectangle
Kaku Rectangular
H10 original clock for STD or DX model
G10 genuine Niles clock for STD or DX model. This one is for a 1976-1978 pickup.
Original
H20 Maru Round - Green Line original style
Narrow Font
Long bottom tab is an identifier
tabs on side are for bolting into floor Console
PB110
H26/H27? PB110 Sunny Excellent - Narrow font. Doesn't have the bottom tab-bracket.
Facelift
H33 1972 Facelift - wide font, long bracket
* Extra long-bracket for fitting to hooded dash * Wider Font and no green lines * Anti-glare cover (cone-shaped)
H34 CLOCK for console box
??? No picture
JECO
Success stamped K.S. Clock
Late Model
G16 1978-1994 style - Wide Font. No green lines.
late ute Citizen clock
G16? has no side-brackets for mounting in a console (see discussion)
2007
B140 Clock Mask 'NISSAN'
Option
Custom Face
Dash Fitting
The clock bolts into the dash by using the tabs along the face. Unbolt the mask and bolt in the clock.
The tabs further back on the body are used for mounting in the floor console.
Console
Clock was fitted to the OPTION large console.
See main article: Console for more details
Wiring
The clock is powered by a constant-Hot wire. If you wire to IGN, it only runs when the key is on :-)
- 12V Power: L or RB
- Ground/Earth: B
- Lamp: RB or RG
Clock: Blue or Red/Black wire Power feed 12V (Blue) hanging down from the harness.
Clock: Red/Blue or Red/Green Lamp feed on instrument panel
Clock: Black wire Ground/Earth point on instrument panel (panel frame on rectangular panel)
Service Bulletin
Part Numbers
Rectangle
Kaku メーター 角
27390-H1000 ASS'Y-CLOCK (op.) 3 speed, VDT, B120 -751127390-G1000 CLOCK ASSY 7512-7803
Australia - 'D' Mask for clock
JAPAN - 'S' Mask for clock 25005-H1000 MASK-clock 3 speed, VDT
25006-H1000 NUT-fix clock & tachometer (3)
Round
JAPAN maru メーター 丸 25005-H1800 MASK-tachometer ['Sunny' for clock delete] 25006-H1000 NUT-fix clock & tachometer (3) 27380-H2000 ASS'Y-CLOCK GL,GX
[
27390-G1660 CLOCK ASSY 7804-
08540-51612 SCREW 08964-10510 NUT 25005-G1660 MASK-CLOCK HOLE 7804-8910 68460-95W00 MASK-CLOCK HOLE 9810- [no writing]
JAPAN 1972 27380-H3300 CLOCK ASS'Y GL, (op.) Std, DX [Long-bracket type for use with 1972 Dash]
25017-H3100 CLAMP-front cover (3) 25012-H3300 COVER ASS'Y-front (for clock) GL, (op.) Std, DX [dash blind] has long bracket on top 25012-H3100 COVER ASS'Y-front ['Datsun' for clock delete] fixing clock & tachometer 08964-10510 NUT 08510-51612 SCREW 08915-43510 WASHER-plain 27380-H3400 CLOCK ASS'Y (for console box) GX 08513-41212 SCREW (3) GX 08915-43410 WASHER-plain GX 74990-H2021 MASK-clock CG,GX [console] 08513-41212 SCREW (3) GX 08915-43410 WASHER-plain GX
USA 27380-H2000 ASSY-CLOCK USA 27389-H2300 SPACER FIXING CLOCK TO CONCOLE BOX 25005-H1810 MASK-TACHOMETER "DATSUN" [delete plate for dash]
Japan [[PB110] 25005-H1800 MASK-TACHOMETER ['Sunny'] [for dash] 25005-H3100 MASK ASS'Y-tachometer DX [for dash] 74990-H2600 MASK ASS'Y-clock [for console] 27380-H2701 CLOCK ASS'Y (for console box) GX (Op.) GL 27380-H2600 CLOCK ASS'Y GL, GX, (op.) DX 27380-H3300 CLOCK ASS'Y GL (Op.) DX
Mask
Clock blanking plate (mask)
Dash Mask for clock
H18 MASK-TACHOMETER "DATSUN" [delete plate for dash]
G16 Mask installed
95W 68460-95W00 MASK-CLOCK HOLE 9810- [no writing]
B140
B140 Clock Mask 'NISSAN'
Rectangle
25005-H1000 MASK-clock 'S' 3 speed, VDT
Alternatives
Datsun 620 clock mask may also fit
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