Seiko Cal. 5657 - 287

The 5657-287 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-240df1c0e366]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1983

Related Models

• Seiko 6268-642
• Seiko 4477-326
• Seiko 3811-677
• Seiko 5694-482
• Seiko 4479-480
• Seiko 6287-836
• Seiko 7128-749
• Seiko 4534-755
• Seiko 5662-199
• Seiko 6142-736
• Seiko 4517-523
• Seiko 7098-950