Seiko Cal. 5657 - 577

The Seiko 5657-577 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cb133095167c]

Also known as: Samurai, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 4588-573
• Seiko 6374-845
• Seiko 4498-309
• Seiko 7076-511
• Seiko 5620-700
• Seiko 6276-466
• Seiko 3882-626
• Seiko 7079-715
• Seiko 5661-981
• Seiko 6316-220
• Seiko 7078-471
• Seiko 5223-271