Seiko Cal. 0777 - 272

The 0777-272 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0777 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-8b9dd86abf9f]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

Related Models

• Seiko 4535-971
• Seiko 6319-613
• Seiko 5278-537
• Seiko 6184-486
• Seiko 6214-626
• Seiko 5641-989
• Seiko 5268-513
• Seiko 7068-419
• Seiko 6294-636
• Seiko 4488-345
• Seiko 5617-270
• Seiko 4447-248