Seiko Cal. 5642 - 783

This Spring Drive model from 1970 features a 34mm Two-Tone case. Powered by the 5642 caliber with 21j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-d19fd2777032]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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