Seiko Cal. 3870 - 680

The Seiko 3870-680 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-95483a65b305]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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