Seiko Cal. 6642 - 196

The 6642-196 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6b2948d84dab]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1968

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