Seiko Cal. 7139 - 418

This Hand-Winding model from 1991 features a 45mm PVD Black case. Powered by the 7139 caliber with 29j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-aed1e725115c]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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