Seiko Cal. 4413 - 850

The 4413-850 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-5dbae7685459]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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