Seiko Cal. 5641 - 377

The Seiko 5641-377 represents an important milestone in Seiko's 1984 lineup. Powered by the 5641 caliber with 34j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-6d7a579b4e73]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1984

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