Seiko Cal. 6310 - 284

The Seiko 6310-284 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-ec897102d6b2]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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