Seiko Cal. 6139 - 665

This Automatic model from 1991 features a 37mm PVD Black case. Powered by the 6139 caliber with 26j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d82ef9e9d0ca]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1991

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