Seiko Cal. 6656 - 582

The Seiko 6656-582 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-12109a444b28]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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