Seiko Cal. 7139 - 198

This Spring Drive model from 1995 features a 40mm PVD Black case. Powered by the 7139 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-0057e84a284e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1995

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