Seiko Cal. 6631 - 840

Seiko 6631-840

The 6631-840 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-559fb3872444]

Also known as: Samurai

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1990

Related Models

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