Seiko Cal. 7015 - 640

The Seiko 7015-640 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-51b10238fd22]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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