Seiko Cal. 6631 - 985

Seiko 6631-985

The 6631-985 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-623bdaafdeff]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Champagne
Jewels
36j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1995

Related Models

seikata-wm-623bdaafdeff