Seiko Cal. 6663 - 136

The Seiko 6663-136 represents an important milestone in Seiko's 1998 lineup. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-e6423d69e8fc]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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