Seiko Cal. 6144 - 810

The 6144-810 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6144 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-ec170e08f8e3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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