Seiko Cal. 6618 - 730

This Quartz model from 1969 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-25ae4364d2e0]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

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