Seiko Cal. 6616 - 978

Released in 1999, the Cal. 6616 with design code 978 was part of Seiko's domestic market collection. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-9f91ad0366ec]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1999

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