Seiko Cal. 6648 - 560

The Seiko 6648-560 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-0f7f69da5f3d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1982

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