Seiko Cal. 7040 - 644

Released in 1965, the Cal. 7040 with design code 644 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-8bf1fff724f9]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

Related Models

• Seiko 7024-519
• Seiko 6235-744
• Seiko 7195-324
• Seiko 3872-300
• Seiko 5635-100
• Seiko 6686-348
• Seiko 6391-811
• Seiko 4537-576
• Seiko 4516-468
• Seiko 5297-381
• Seiko 4475-944
• Seiko 5653-504