Seiko Cal. 7188 - 604

This Spring Drive model from 1987 features a 41mm Gold-Plated case. Powered by the 7188 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-d34761bbe0c0]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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