Seiko Cal. 6634 - 983

The 6634-983 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 34j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-233bd3ab3a35]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1982

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