Seiko Cal. 6378 - 383

This Spring Drive model from 1985 features a 42mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e7a4299ba9cf]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1985

Related Models

• Seiko 4425-514
• Seiko 4455-688
• Seiko 6138-458
• Seiko 3870-679
• Seiko 0720-396
• Seiko 5296-752
• Seiko 6295-429
• Seiko 6314-505
• Seiko 7163-129
• Seiko 7035-176
• Seiko 0712-631
• Seiko 3812-197