Seiko Cal. 5677 - 378

This Automatic model from 1976 features a 37mm Gold-Plated case. Powered by the 5677 caliber with 36j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-de54745577a2]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1976

Related Models

• Seiko 6671-763
• Seiko 0753-152
• Seiko 4435-189
• Seiko 0791-110
• Seiko 5682-571
• Seiko 7157-596
• Seiko 6675-277
• Seiko 3883-393
• Seiko 4467-614
• Seiko 7084-267
• Seiko 4431-833
• Seiko 3884-198