Seiko Cal. 5638 - 947

The 5638-947 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5638 caliber with 29j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-46c7b1caae19]

Also known as: Pogue, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

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