Seiko Cal. 5243 - 133

This Spring Drive model from 1965 features a 41mm PVD Black case. Powered by the 5243 caliber with 21j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-c9385f3867c9]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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