Seiko Cal. 6645 - 108

Seiko 6645-108

This Hand-Winding model from 1965 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-911d70bb2d96]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
11.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1965

Related Models

seikata-wm-911d70bb2d96