Seiko Cal. 3866 - 563

The Seiko 3866-563 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-94e0feb2226c]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

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