Seiko Cal. 6120 - 660

Released in 1978, the Cal. 6120 with design code 660 was part of Seiko's domestic market collection. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-af253af92a80]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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