Seiko Cal. 6161 - 551

The 6161-551 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6161 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-19706a54da4c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1983

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