Seiko Cal. 5657 - 209

The 5657-209 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5657 caliber with 28j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-e5c11bb58d52]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1993

Related Models

• Seiko 0778-347
• Seiko 6127-187
• Seiko 5227-177
• Seiko 6392-461
• Seiko 0710-667
• Seiko 7142-509
• Seiko 4464-124
• Seiko 6693-248
• Seiko 7181-477
• Seiko 0792-284
• Seiko 0727-122
• Seiko 7165-330