Seiko Cal. 7139 - 198

Seiko 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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seikata-wm-0057e84a284e