Seiko Cal. 5254 - 631

The Seiko 5254-631 represents an important milestone in Seiko's 1988 lineup. Powered by the 5254 caliber with 26j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e3db9a489d9f]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1988

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