Seiko Cal. 3815 - 593

This Spring Drive model from 1979 features a 40mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-9345b8820f16]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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