Seiko Cal. 5660 - 303

The 5660-303 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0fef399327dd]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1996

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