Seiko Cal. 6650 - 365

This Spring Drive model from 1973 features a 40mm Titanium case. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-74afff240bc9]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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