Seiko Cal. 7177 - 961

Seiko 7177-961

This Spring Drive model from 1990 features a 39mm PVD Black case. Powered by the 7177 caliber with 35j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-267b76b1f827]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
13.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1990

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seikata-wm-267b76b1f827