Seiko Cal. 6180 - 772

The Seiko 6180-772 represents an important milestone in Seiko's 1971 lineup. Powered by the 6180 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-7a08b8e13130]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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