Seiko Cal. 6243 - 139

The 6243-139 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6243 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-dcf941a0487e]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1982

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