Seiko Cal. 3876 - 639

The Seiko 3876-639 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-44cbbf0ee8a9]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1974

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