Seiko Cal. 4416 - 730

The Seiko 4416-730 represents an important milestone in Seiko's 1973 lineup. Powered by the 4416 caliber with 35j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-503030f60ffe]

Also known as: Turtle, Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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