Seiko Cal. 6638 - 731

The Seiko 6638-731 represents an important milestone in Seiko's 1985 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-2f3125616b10]

Also known as: Pogue, Panda

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1985

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