Seiko Cal. 6180 - 336

The 6180-336 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6180 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-2eaa3aa4efd2]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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