Seiko Cal. 5637 - 930

The 5637-930 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7b49f8973075]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

Related Models

• Seiko 6269-802
• Seiko 4470-209
• Seiko 6153-216
• Seiko 6266-423
• Seiko 6144-171
• Seiko 6214-681
• Seiko 7113-698
• Seiko 4586-201
• Seiko 6332-877
• Seiko 5612-523
• Seiko 0725-597
• Seiko 4561-801