Seiko Cal. 6361 - 578

This Spring Drive model from 1977 features a 37mm Titanium case. Powered by the 6361 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-7ee7129d1087]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

Related Models

• Seiko 5631-449
• Seiko 5240-666
• Seiko 7196-613
• Seiko 6150-263
• Seiko 5688-657
• Seiko 6126-371
• Seiko 4469-557
• Seiko 4510-124
• Seiko 6110-789
• Seiko 7151-260
• Seiko 6133-961
• Seiko 4544-625