Seiko Cal. 6638 - 408

Seiko 6638-408

This Quartz model from 1987 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ba90b0089ee8]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
34mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1987

Related Models

seikata-wm-ba90b0089ee8