Seiko Cal. 6243 - 691

The 6243-691 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6243 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-860dfcc67add]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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