Seiko Cal. 5275 - 644

The Seiko 5275-644 represents an important milestone in Seiko's 1967 lineup. Powered by the 5275 caliber with 27j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e8bbc3f8af12]

Also known as: Samurai, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1967

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