Seiko Cal. 3891 - 140

This Quartz model from 1988 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-54a3bf16b127]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

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