Seiko Cal. 6689 - 610

The Seiko 6689-610 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-05a038309f1b]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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