Seiko Cal. 4491 - 413

This Spring Drive model from 1996 features a 44mm Hardlex-Coated Steel case. Powered by the 4491 caliber with 29j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-caf820211f96]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1996

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