Seiko Cal. 5237 - 144

Seiko 5237-144

The 5237-144 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5237 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d48c5fa47d1e]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1969

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