Seiko Cal. 7040 - 644

The 7040-644 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-aeeb3fbc8110]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

Related Models

• Seiko 4523-563
• Seiko 6654-228
• Seiko 7094-701
• Seiko 7146-573
• Seiko 5662-585
• Seiko 3872-591
• Seiko 7168-736
• Seiko 5672-721
• Seiko 5617-819
• Seiko 7126-551
• Seiko 7173-647
• Seiko 6145-720