Seiko Cal. 7057 - 221

The Seiko 7057-221 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-c93c643dacf5]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

Related Models

• Seiko 3899-161
• Seiko 0765-382
• Seiko 6626-368
• Seiko 6183-811
• Seiko 6617-580
• Seiko 3858-963
• Seiko 7054-537
• Seiko 5671-832
• Seiko 5289-364
• Seiko 6361-675
• Seiko 5275-997
• Seiko 0762-325