Seiko Cal. 6634 - 721

The 6634-721 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ba305ae47622]

Also known as: Bellmatic, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1993

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