Seiko Cal. 5646 - 520

Seiko 5646-520

This Spring Drive model from 1994 features a 37mm Titanium case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8c477200d67f]

Also known as: Samurai, Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1994

Related Models

seikata-wm-8c477200d67f