Seiko Cal. 3815 - 122

This Spring Drive model from 1976 features a 46mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-e7f00787e100]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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