Seiko Cal. 6313 - 777

The Seiko 6313-777 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8c556532f612]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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