Seiko Cal. 6631 - 874

Seiko 6631-874

This Kinetic model from 1973 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3f775d254174]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Navy
Jewels
19j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1973

Related Models

seikata-wm-3f775d254174