Seiko Cal. 4591 - 451

Seiko 4591-451

This Quartz model from 1977 features a 40mm Stainless Steel case. Powered by the 4591 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-e775e3671a11]

Also known as: Monster, Silverwave

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1977

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