Seiko Cal. 6627 - 537

The Seiko 6627-537 represents an important milestone in Seiko's 1969 lineup. Powered by the 6627 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-3f98fdd7fd7a]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

Related Models

• Seiko 5630-539
• Seiko 6280-982
• Seiko 6152-191
• Seiko 6626-187
• Seiko 6352-585
• Seiko 6621-918
• Seiko 6187-897
• Seiko 5229-180
• Seiko 5621-187
• Seiko 7088-168
• Seiko 6269-800
• Seiko 6311-276