Seiko Cal. 6392 - 637

This Automatic model from 1984 features a 40mm Two-Tone case. Powered by the 6392 caliber with 34j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-cb1ef05bbac1]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

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