Seiko Cal. 5641 - 246

The Seiko 5641-246 represents an important milestone in Seiko's 1979 lineup. Powered by the 5641 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-067e5a9b688e]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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