Seiko Cal. 4531 - 491

Seiko 4531-491

This Kinetic model from 1989 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a9e8c41930d4]

Also known as: Tuna, Helmet

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1989

Related Models

seikata-wm-a9e8c41930d4