Seiko Cal. 6616 - 744

Released in 1978, the Cal. 6616 with design code 744 was part of Seiko's domestic market collection. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-54ed58ae84bd]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1978

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