Seiko Cal. 5620 - 938

This Automatic model from 1970 features a 46mm Stainless Steel case. Powered by the 5620 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f57cbbd4ade7]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

Related Models

• Seiko 4551-565
• Seiko 6683-581
• Seiko 5260-549
• Seiko 6379-530
• Seiko 5698-103
• Seiko 5284-289
• Seiko 4586-819
• Seiko 6236-175
• Seiko 6310-532
• Seiko 5239-875
• Seiko 0725-317
• Seiko 6390-858