Seiko Cal. 6642 - 610

Released in 1985, the Cal. 6642 with design code 610 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-cd623fea2a08]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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