Seiko Cal. 6381 - 580

The Seiko 6381-580 represents an important milestone in Seiko's 1966 lineup. Powered by the 6381 caliber with 29j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1034cc2ab654]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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