Seiko Cal. 3871 - 763

The Seiko 3871-763 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-3bec69d1abb5]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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