Seiko Cal. 5641 - 762

The 5641-762 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5641 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-dc03a900edde]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1991

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