Seiko Cal. 6658 - 577

The Seiko 6658-577 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-8ac0ffbb0e28]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1985

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