Seiko Cal. 6642 - 821

The 6642-821 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-f42de3fc7a40]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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