Seiko Cal. 5648 - 103

Seiko 5648-103

This Automatic model from 1974 features a 41mm Hardlex-Coated Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-93523740db85]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1974

Related Models

seikata-wm-93523740db85