Seiko Cal. 6638 - 317

The Seiko 6638-317 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-75681101f2c5]

Also known as: Panda, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1997

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