Seiko Cal. 6663 - 309

The Seiko 6663-309 represents an important milestone in Seiko's 1998 lineup. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-71347e0c4a04]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1998

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