Seiko Cal. 5657 - 787

The Seiko 5657-787 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c1fb9179dc83]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 7112-800
• Seiko 0711-187
• Seiko 7111-736
• Seiko 6356-497
• Seiko 4576-878
• Seiko 7150-143
• Seiko 6334-654
• Seiko 6213-728
• Seiko 4515-897
• Seiko 6651-977
• Seiko 5638-309
• Seiko 3811-939