Seiko Cal. 5617 - 620

The Seiko 5617-620 represents an important milestone in Seiko's 1996 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-5ceb296ddf9c]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1996

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