Seiko Cal. 7057 - 648

Released in 1971, the Cal. 7057 with design code 648 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-445596eda0bf]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

Related Models

• Seiko 5285-627
• Seiko 5232-417
• Seiko 6396-308
• Seiko 3816-516
• Seiko 3844-532
• Seiko 7175-913
• Seiko 3890-795
• Seiko 6177-295
• Seiko 6136-118
• Seiko 6314-102
• Seiko 4469-805
• Seiko 4490-491