Seiko Cal. 6638 - 772

Seiko 6638-772

This Quartz model from 1984 features a 34mm Stainless Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e1259a703935]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1984

Related Models

seikata-wm-e1259a703935