Seiko Cal. 5664 - 666

This Hand-Winding model from 1985 features a 44mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-31e48bdadb93]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1985

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