Seiko Cal. 6331 - 741

This Kinetic model from 1976 features a 37mm Two-Tone case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-cddb71ab184a]

Also known as: Monster, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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