Seiko Cal. 3860 - 211

This Spring Drive model from 1965 features a 36mm Titanium case. Powered by the 3860 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-5c3e852c7435]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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