Seiko Cal. 7040 - 685

The Seiko 7040-685 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1f2becb2b574]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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