Seiko Cal. 7055 - 321

The 7055-321 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-72d80f6d9227]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

Related Models

• Seiko 4411-595
• Seiko 7070-334
• Seiko 6280-366
• Seiko 6154-412
• Seiko 6297-958
• Seiko 6334-968
• Seiko 7169-942
• Seiko 4527-581
• Seiko 6234-788
• Seiko 7042-721
• Seiko 6387-773
• Seiko 6212-652