Seiko Cal. 5646 - 248

Seiko 5646-248

This Hand-Winding model from 1971 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-478aabacaf5c]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1971

Related Models

seikata-wm-478aabacaf5c