Seiko Cal. 5657 - 937

The 5657-937 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ab19a5551566]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 7134-845
• Seiko 7165-479
• Seiko 6333-193
• Seiko 7047-244
• Seiko 6618-554
• Seiko 6115-366
• Seiko 0711-196
• Seiko 5696-455
• Seiko 3811-259
• Seiko 4428-116
• Seiko 6657-739
• Seiko 7164-794