Seiko Cal. 3865 - 477

The Seiko 3865-477 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-44ba6979dc0f]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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