Seiko Cal. 6381 - 788

This Kinetic model from 1975 features a 39mm Two-Tone case. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-182b300abb07]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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