Seiko Cal. 5646 - 691

The 5646-691 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-884c17c9b2a3]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1988

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