Seiko Cal. 0778 - 143

This Spring Drive model from 1978 features a 40mm Titanium case. Powered by the 0778 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a7c7d11329a0]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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