Seiko Cal. 6380 - 641

The Seiko 6380-641 represents an important milestone in Seiko's 1971 lineup. Powered by the 6380 caliber with 34j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e4b814457716]

Also known as: Bullhead, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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