Seiko Cal. 6618 - 663

Released in 1992, the Cal. 6618 with design code 663 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-af63ee8f2424]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1992

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