Seiko Cal. 6611 - 557

The Seiko 6611-557 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-f8e8441862b0]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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