Seiko Cal. 7057 - 839

This Automatic model from 1979 features a 45mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-e8be5603427a]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

Related Models

• Seiko 6134-972
• Seiko 7185-424
• Seiko 7045-852
• Seiko 5685-411
• Seiko 5639-743
• Seiko 7077-398
• Seiko 4574-907
• Seiko 4479-322
• Seiko 6274-140
• Seiko 6291-198
• Seiko 0722-869
• Seiko 7044-146