Seiko Cal. 3812 - 577

The Seiko 3812-577 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ae8851776239]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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