Seiko Cal. 6310 - 645

The Seiko 6310-645 represents an important milestone in Seiko's 1997 lineup. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-ed526aed27cd]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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