Seiko Cal. 3877 - 779

The Seiko 3877-779 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-a0388885fade]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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