Seiko Cal. 6616 - 991

Released in 1988, the Cal. 6616 with design code 991 was part of Seiko's domestic market collection. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-bc8dc831dba0]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

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