Seiko Cal. 6240 - 820

The 6240-820 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ee770ca1e056]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1969

Related Models

• Seiko 4528-657
• Seiko 4512-677
• Seiko 7092-484
• Seiko 0787-360
• Seiko 3824-940
• Seiko 6196-489
• Seiko 6155-468
• Seiko 4584-748
• Seiko 6110-650
• Seiko 6219-479
• Seiko 6326-872
• Seiko 4449-862