Seiko Cal. 4491 - 910

The Seiko 4491-910 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-91fe93aeab30]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1976

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