Seiko Cal. 3811 - 821

This Solar model from 1975 features a 36mm Titanium case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-120726a93311]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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