Seiko Cal. 6642 - 474

The Seiko 6642-474 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc305ea0c2c9]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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