Seiko Cal. 4416 - 623

The Seiko 4416-623 represents an important milestone in Seiko's 1973 lineup. Powered by the 4416 caliber with 28j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-941c805bd767]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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