Seiko Cal. 5270 - 631

The Seiko 5270-631 represents an important milestone in Seiko's 1994 lineup. Powered by the 5270 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-ef8764786fe7]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1994

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