Seiko Cal. 5631 - 707

Seiko 5631-707

The 5631-707 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-19fbd4ce805e]

Also known as: Samurai, UFO

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1978

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