Seiko Cal. 5642 - 655

Seiko 5642-655

This Quartz model from 1978 features a 42mm PVD Black case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a20dfcfbff44]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
42mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1978

Related Models

seikata-wm-a20dfcfbff44