Seiko Cal. 4417 - 728

The Seiko 4417-728 represents an important milestone in Seiko's 1997 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-30d7081424c4]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1997

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