Seiko Cal. 5646 - 764

Seiko 5646-764

This Quartz model from 1972 features a 36mm Titanium case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a49e36200a44]

Also known as: Sumo, Arnie

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
36mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1972

Related Models

seikata-wm-a49e36200a44