Seiko Cal. 6616 - 694

The Seiko 6616-694 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-780270d68f25]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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