Seiko Cal. 6631 - 989

Seiko 6631-989

This Automatic model from 1973 features a 38mm Titanium case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cc41e07da990]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
38mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1973

Related Models

seikata-wm-cc41e07da990