Seiko Cal. 6311 - 653

The Seiko 6311-653 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-2bdf7e48a1c1]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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