Seiko Cal. 3811 - 109

This Hand-Winding model from 1973 features a 36mm Titanium case. Powered by the 3811 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-229f9785f02d]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

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