Seiko Cal. 6121 - 785

The Seiko 6121-785 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-673eb9d3e1cf]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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