Seiko Cal. 6243 - 688

The 6243-688 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6243 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-073344df11da]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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