Seiko Cal. 6310 - 688

The Seiko 6310-688 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-720baf14de1e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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