Seiko Cal. 6315 - 591

This Automatic model from 1976 features a 40mm Two-Tone case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-45c847f0f4a5]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1976

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