Seiko Cal. 6631 - 542

The 6631-542 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ccc6be537454]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1989

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