Seiko Cal. 5616 - 378

This Automatic model from 1979 features a 36mm Stainless Steel case. Powered by the 5616 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-753bc7268769]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

Related Models

• Seiko 7087-751
• Seiko 5669-779
• Seiko 4554-182
• Seiko 0789-237
• Seiko 4474-899
• Seiko 5230-999
• Seiko 6654-481
• Seiko 7070-926
• Seiko 4410-783
• Seiko 5255-224
• Seiko 0723-476
• Seiko 3849-564