Seiko Cal. 4495 - 663

The 4495-663 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4495 caliber with 26j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-e0e4bebbcf48]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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