Seiko Cal. 5657 - 181

The 5657-181 is a sought-after Solar piece from Seiko's golden era. Powered by the 5657 caliber with 25j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-cd4f79c8606b]

Also known as: Panda, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

Related Models

• Seiko 5688-322
• Seiko 7042-322
• Seiko 6318-106
• Seiko 6616-329
• Seiko 6622-780
• Seiko 5620-301
• Seiko 5259-122
• Seiko 3886-635
• Seiko 7120-486
• Seiko 6168-854
• Seiko 7021-563
• Seiko 5256-215