Seiko Cal. 6310 - 205

Released in 1977, the Cal. 6310 with design code 205 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e6ca2738fde6]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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