Seiko Cal. 3861 - 891

This Hand-Winding model from 1979 features a 38mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-ddd44746e4e4]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1979

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