Seiko Cal. 6618 - 412

The 6618-412 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-d43f0a6684e7]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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