Seiko Cal. 0731 - 557

The 0731-557 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-9465e4574cd7]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1984

Related Models

• Seiko 7031-696
• Seiko 6185-792
• Seiko 3871-422
• Seiko 6221-439
• Seiko 6353-644
• Seiko 6697-913
• Seiko 6198-754
• Seiko 4514-229
• Seiko 7182-214
• Seiko 7081-731
• Seiko 5289-644
• Seiko 5658-239