Seiko Cal. 7157 - 287

Seiko 7157-287

The 7157-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7157 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8dd20e6e483f]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1975

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