Seiko Cal. 6638 - 949

Seiko 6638-949

This Spring Drive model from 1965 features a 38mm PVD Black case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-edb61358e814]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Champagne
Jewels
30j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1965

Related Models

seikata-wm-edb61358e814