Seiko Cal. 6687 - 442

The Seiko 6687-442 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-fab265d7cc17]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1987

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