Seiko Cal. 5243 - 657

The 5243-657 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5243 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-81de39eaf32e]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1980

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