Seiko Cal. 6657 - 983

This Kinetic model from 1978 features a 42mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-efbf984327e9]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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