Seiko Cal. 6687 - 738

The Seiko 6687-738 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-46284809990c]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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