Seiko Cal. 7138 - 628

The Seiko 7138-628 represents an important milestone in Seiko's 1989 lineup. Powered by the 7138 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-2145d58ff422]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1989

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