Seiko Cal. 4581 - 440

Seiko 4581-440

This Kinetic model from 1996 features a 41mm PVD Black case. Powered by the 4581 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-b1100cf775c5]

Also known as: Sumo, Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1996

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seikata-wm-b1100cf775c5