Seiko Cal. 3815 - 231

This Hand-Winding model from 1967 features a 45mm Gold-Plated case. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-1db44b8c05f8]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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