Seiko Cal. 5631 - 666

The 5631-666 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-19a94397be55]

Also known as: Panda, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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