Seiko Cal. 3861 - 673

The Seiko 3861-673 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-7d6f7f80121b]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1966

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