Seiko Cal. 6157 - 760

Released in 1981, the Cal. 6157 with design code 760 was part of Seiko's domestic market collection. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc8aaddb3d5f]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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