Seiko Cal. 5237 - 667

Seiko 5237-667

The 5237-667 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5237 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-9c19d0ac4a21]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1975

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