Seiko Cal. 6185 - 977

The 6185-977 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6185 caliber with 24j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-b35b8e47a3c3]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1979

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