Seiko Cal. 6646 - 752

The Seiko 6646-752 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0b813b157905]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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