Seiko Cal. 3891 - 673

This Hand-Winding model from 1979 features a 35mm Two-Tone case. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-81a342351e42]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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