Seiko Cal. 5660 - 228

This Hand-Winding model from 1981 features a 46mm Two-Tone case. Powered by the 5660 caliber with 22j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-2e33d6c4b156]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1981

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