Seiko Cal. 6693 - 494

Released in 1965, the Cal. 6693 with design code 494 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-2eb3fd21cfe1]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

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