Seiko Cal. 0771 - 715

This Spring Drive model from 1987 features a 40mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-79bf09898fe7]

Also known as: Turtle, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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