Seiko Cal. 6639 - 601

Seiko 6639-601

This Quartz model from 1996 features a 36mm Two-Tone case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-518d71705b1c]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
25j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1996

Related Models

seikata-wm-518d71705b1c