Seiko Cal. 6388 - 637

Seiko 6388-637

The 6388-637 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a54672f96f97]

Also known as: Arnie

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1980

Related Models

seikata-wm-a54672f96f97