Seiko Cal. 7138 - 930

The Seiko 7138-930 represents an important milestone in Seiko's 1986 lineup. Powered by the 7138 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-8cd776fa70a6]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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