Seiko Cal. 6310 - 510

This Hand-Winding model from 1990 features a 40mm Stainless Steel case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-c82327ac5079]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

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