Seiko Cal. 0727 - 503

This Spring Drive model from 1977 features a 43mm Two-Tone case. Powered by the 0727 caliber with 24j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-2cd6969c5d03]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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