Seiko Cal. 6160 - 821

The 6160-821 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6160 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-9630a46dd98d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1978

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