Seiko Cal. 6278 - 400

This Spring Drive model from 1988 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-08b517529196]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1988

Related Models

• Seiko 6128-265
• Seiko 6376-682
• Seiko 3833-587
• Seiko 7051-262
• Seiko 3847-568
• Seiko 7110-370
• Seiko 4535-471
• Seiko 3844-296
• Seiko 6250-335
• Seiko 3898-427
• Seiko 3837-102
• Seiko 5693-732