Seiko Cal. 4491 - 413

Seiko 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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