Seiko Cal. 5644 - 891

The 5644-891 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5644 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-66e4814eb64c]

Also known as: Panda, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

Related Models

• Seiko 6655-341
• Seiko 5667-257
• Seiko 3836-807
• Seiko 6631-128
• Seiko 6325-330
• Seiko 6395-429
• Seiko 4423-890
• Seiko 7179-625
• Seiko 5276-765
• Seiko 6194-768
• Seiko 6623-401
• Seiko 0757-778