Seiko Cal. 6657 - 598

The Seiko 6657-598 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-2b50e8284129]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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