Seiko Cal. 6638 - 310

Seiko 6638-310

The 6638-310 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-371c4356fc95]

Also known as: Pogue, Rally

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1987

Related Models

seikata-wm-371c4356fc95