Seiko Cal. 7142 - 838

This Spring Drive model from 1987 features a 37mm Titanium case. Powered by the 7142 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ebf2ce260133]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1987

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