Seiko Cal. 6659 - 724

The Seiko 6659-724 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4b4c7e9eee98]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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