Seiko Cal. 6378 - 150

The Seiko 6378-150 represents an important milestone in Seiko's 1978 lineup. Powered by the 6378 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-00b8b4f92b06]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 4442-628
• Seiko 4554-780
• Seiko 0728-937
• Seiko 6239-651
• Seiko 5642-103
• Seiko 3833-226
• Seiko 0738-606
• Seiko 3876-966
• Seiko 6678-857
• Seiko 0710-208
• Seiko 7020-507
• Seiko 4484-512