Seiko Cal. 3815 - 517

This Solar model from 1973 features a 43mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ed55d52459c4]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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