Seiko Cal. 7136 - 938

Seiko 7136-938

The 7136-938 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7136 caliber with 23j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-c4b882472ba0]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
Champagne
Jewels
23j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1980

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