Seiko Cal. 7057 - 689

The Seiko 7057-689 represents an important milestone in Seiko's 1991 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-49422eeb6b21]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1991

Related Models

• Seiko 4417-875
• Seiko 0798-288
• Seiko 0798-923
• Seiko 0793-347
• Seiko 3812-519
• Seiko 4546-817
• Seiko 6244-363
• Seiko 7059-314
• Seiko 5275-814
• Seiko 7146-217
• Seiko 4490-163
• Seiko 7086-384