Seiko Cal. 4591 - 995

Seiko 4591-995

The Seiko 4591-995 represents an important milestone in Seiko's 1990 lineup. Powered by the 4591 caliber with 25j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-6d7d09fe5d0f]

Also known as: Monster, Helmet

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1990

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