Seiko Cal. 3891 - 140

The Seiko 3891-140 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-dfe8fad91a17]

Also known as: Silverwave, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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