Seiko Cal. 6377 - 266

The Seiko 6377-266 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-1000ad558a9f]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

Related Models

• Seiko 6186-174
• Seiko 0732-784
• Seiko 7196-660
• Seiko 6675-514
• Seiko 4517-553
• Seiko 4489-931
• Seiko 4443-762
• Seiko 6669-267
• Seiko 7169-369
• Seiko 6345-236
• Seiko 4476-547
• Seiko 7040-192