Seiko Cal. 7155 - 717

Seiko 7155-717

This Automatic model from 1974 features a 37mm Stainless Steel case. Powered by the 7155 caliber with 35j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-5f3dc7a6c23f]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
35j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1974

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