Seiko Cal. 5675 - 641

The Seiko 5675-641 represents an important milestone in Seiko's 1968 lineup. Powered by the 5675 caliber with 21j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-115b25f568e2]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1968

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