Seiko Cal. 6685 - 891

The 6685-891 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-33a9dcd04c3c]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

Related Models

• Seiko 4415-838
• Seiko 5226-653
• Seiko 6679-210
• Seiko 7074-593
• Seiko 6613-290
• Seiko 5633-468
• Seiko 6330-128
• Seiko 7171-675
• Seiko 4523-555
• Seiko 7075-471
• Seiko 4423-712
• Seiko 4488-999