Seiko Cal. 6237 - 763

The 6237-763 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6237 caliber with 18j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ee4f024321ae]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1976

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