Seiko Cal. 4591 - 320

Seiko 4591-320

This Spring Drive model from 1999 features a 37mm Hardlex-Coated Steel case. Powered by the 4591 caliber with 26j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-59e08c42207c]

Also known as: Crown, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1999

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seikata-wm-59e08c42207c