Seiko Cal. 6686 - 492

This Solar model from 1978 features a 38mm Hardlex-Coated Steel case. Powered by the 6686 caliber with 33j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-06ec3f86fc72]

Also known as: Helmet, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

Related Models

• Seiko 7134-450
• Seiko 6396-645
• Seiko 7065-214
• Seiko 6242-190
• Seiko 5271-776
• Seiko 6685-414
• Seiko 5276-763
• Seiko 3843-384
• Seiko 0748-675
• Seiko 4447-422
• Seiko 6313-787
• Seiko 5673-950