Seiko Cal. 4413 - 856

This Spring Drive model from 1973 features a 44mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-edf1c247fbf9]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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