Seiko Cal. 6166 - 744

This Hand-Winding model from 1981 features a 37mm Two-Tone case. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-8fd4709ba62e]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1981

Related Models

• Seiko 5295-357
• Seiko 0746-524
• Seiko 0732-841
• Seiko 6173-477
• Seiko 6134-625
• Seiko 4587-259
• Seiko 6115-655
• Seiko 4463-801
• Seiko 6277-391
• Seiko 7144-995
• Seiko 6399-694
• Seiko 4510-767