Seiko Cal. 6310 - 846

Released in 1990, the Cal. 6310 with design code 846 was part of Seiko's domestic market collection. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-56bf1bc82ea8]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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