Seiko Cal. 5640 - 328

This Kinetic model from 1980 features a 46mm Stainless Steel case. Powered by the 5640 caliber with 19j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b88a9c9fc396]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1980

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