Seiko Cal. 4491 - 931

The Seiko 4491-931 represents an important milestone in Seiko's 1995 lineup. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-4d2a031aab75]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1995

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