Seiko Cal. 3870 - 965

The Seiko 3870-965 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8ed0af5192d1]

Also known as: Monster, Flighty

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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