Seiko Cal. 4452 - 617

The Seiko 4452-617 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4f7099d1ed08]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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