Seiko Cal. 6631 - 548

Seiko 6631-548

This Spring Drive model from 1990 features a 43mm Gold-Plated case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-b2382e28eb05]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1990

Related Models

seikata-wm-b2382e28eb05