Seiko Cal. 4413 - 373

The Seiko 4413-373 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-31ec5b4cf3cb]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1971

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