Seiko Cal. 3812 - 818

This Hand-Winding model from 1970 features a 41mm Titanium case. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-f086d9471a87]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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