Seiko Cal. 7137 - 690

Seiko 7137-690

The 7137-690 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7137 caliber with 29j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-58704c055be8]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1982

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seikata-wm-58704c055be8