Seiko Cal. 6634 - 945

The 6634-945 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e1c5699a7bb8]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1969

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