Seiko Cal. 6310 - 441

Released in 1973, the Cal. 6310 with design code 441 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-fe5db7983d32]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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