Seiko Cal. 6315 - 991

The Seiko 6315-991 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-757276ed3bdd]

Also known as: Turtle, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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