Seiko Cal. 6688 - 942

The 6688-942 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-015dfc2de137]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1968

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