Seiko Cal. 7083 - 637

The 7083-637 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7083 caliber with 24j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-89e3a14446c6]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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