Seiko Cal. 6618 - 109

Released in 1988, the Cal. 6618 with design code 109 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0d33b34efec8]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1988

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