Seiko Cal. 6377 - 750

This Spring Drive model from 1974 features a 35mm Stainless Steel case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c043180c472b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

Related Models

• Seiko 6199-177
• Seiko 6281-656
• Seiko 6165-838
• Seiko 5643-983
• Seiko 6112-859
• Seiko 4533-122
• Seiko 7011-121
• Seiko 6289-745
• Seiko 6316-381
• Seiko 0734-228
• Seiko 6160-800
• Seiko 7065-889