Seiko Cal. 7040 - 620

This Spring Drive model from 1972 features a 38mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-d732c1a2ae89]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

Related Models

• Seiko 6128-510
• Seiko 4479-117
• Seiko 5669-463
• Seiko 7076-744
• Seiko 5241-999
• Seiko 6663-821
• Seiko 7150-757
• Seiko 7117-645
• Seiko 5680-293
• Seiko 3819-797
• Seiko 5270-846
• Seiko 0765-700