Seiko Cal. 5644 - 770

The 5644-770 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5644 caliber with 24j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-4ccdd0fdea67]

Also known as: Shogun, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

Related Models

• Seiko 4420-348
• Seiko 6325-295
• Seiko 6636-939
• Seiko 7190-645
• Seiko 6617-420
• Seiko 7184-670
• Seiko 3889-304
• Seiko 4544-596
• Seiko 5224-308
• Seiko 4591-440
• Seiko 6118-417
• Seiko 7143-838