Seiko Cal. 3891 - 771

The Seiko 3891-771 represents an important milestone in Seiko's 1972 lineup. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-5fbc87be39cc]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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