Seiko Cal. 4526 - 157

Seiko 4526-157

This Spring Drive model from 1970 features a 39mm Stainless Steel case. Powered by the 4526 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-910bf8dba649]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
21j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1970

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