Seiko Cal. 5621 - 677

The 5621-677 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5621 caliber with 26j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-ca1663021aab]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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