Seiko Cal. 4591 - 135

Seiko 4591-135

This Automatic model from 1986 features a 45mm PVD Black case. Powered by the 4591 caliber with 20j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c21dc7ccfc6d]

Also known as: Sumo, Bellmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1986

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