Seiko Cal. 6638 - 603

The 6638-603 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a0db1fe3eb47]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1999

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