Seiko Cal. 4416 - 401

The Seiko 4416-401 represents an important milestone in Seiko's 1965 lineup. Powered by the 4416 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-821230ee0907]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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