Seiko Cal. 4415 - 616

This Hand-Winding model from 1974 features a 45mm Titanium case. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-01de930e8ca0]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1974

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