Seiko Cal. 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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