Seiko Cal. 4591 - 441

The Seiko 4591-441 represents an important milestone in Seiko's 1992 lineup. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-b5b1d4843a05]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

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