Seiko Cal. 7138 - 304

This Hand-Winding model from 1991 features a 37mm Titanium case. Powered by the 7138 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-74b6fe93e09a]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1991

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