Seiko Cal. 4581 - 361

Seiko 4581-361

This Kinetic model from 1976 features a 40mm Hardlex-Coated Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-198573504c21]

Also known as: World Timer

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1976

Related Models

seikata-wm-198573504c21