Seiko Cal. 5251 - 644

This Hand-Winding model from 1989 features a 34mm Hardlex-Coated Steel case. Powered by the 5251 caliber with 21j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-2abd467fab8c]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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