Seiko Cal. 6288 - 557

The Seiko 6288-557 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-0e4a6805f39f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1988

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