Seiko Cal. 5641 - 532

The Seiko 5641-532 represents an important milestone in Seiko's 1973 lineup. Powered by the 5641 caliber with 34j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-c9ab27adfadf]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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