Seiko Cal. 6663 - 339

The Seiko 6663-339 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-93be9cb7ac1f]

Also known as: Shogun, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1993

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