Seiko Cal. 6237 - 735

The 6237-735 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6237 caliber with 32j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-a4f746784b7c]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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