Seiko Cal. 5660 - 183

Released in 1975, the Cal. 5660 with design code 183 was part of Seiko's domestic market collection. Powered by the 5660 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-07e9c044b649]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1975

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