Seiko Cal. 6378 - 438

The Seiko 6378-438 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-4bb6ec84bb05]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

Related Models

• Seiko 7086-531
• Seiko 5239-744
• Seiko 6352-238
• Seiko 6357-890
• Seiko 3889-719
• Seiko 5631-498
• Seiko 6337-718
• Seiko 4473-803
• Seiko 7170-305
• Seiko 5694-410
• Seiko 3878-914
• Seiko 0793-645