Seiko Cal. 6378 - 103

The Seiko 6378-103 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ffa9ac6591d1]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

Related Models

• Seiko 4524-779
• Seiko 3839-189
• Seiko 3847-122
• Seiko 4430-311
• Seiko 6374-252
• Seiko 0713-309
• Seiko 7027-951
• Seiko 6643-538
• Seiko 4490-588
• Seiko 6687-281
• Seiko 3843-928
• Seiko 4520-669