Seiko Cal. 3894 - 870

The Seiko 3894-870 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b91fbab5e043]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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