Seiko Cal. 6685 - 658

The 6685-658 is a sought-after Solar piece from Seiko's golden era. Powered by the 6685 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-2b1fc5cb0fde]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

Related Models

• Seiko 7074-218
• Seiko 5697-712
• Seiko 4467-758
• Seiko 5267-778
• Seiko 6680-340
• Seiko 0740-641
• Seiko 7056-411
• Seiko 4572-609
• Seiko 4538-423
• Seiko 7151-310
• Seiko 5630-944
• Seiko 4564-234