Seiko Cal. 6378 - 897

The 6378-897 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b522b731bf81]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1969

Related Models

• Seiko 4489-123
• Seiko 7029-540
• Seiko 6219-361
• Seiko 6279-152
• Seiko 7087-598
• Seiko 5631-998
• Seiko 3867-227
• Seiko 4536-154
• Seiko 5670-816
• Seiko 6114-173
• Seiko 4441-295
• Seiko 0789-404