Seiko Cal. 6644 - 570

The 6644-570 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6644 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3f43005a72ba]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1984

Related Models

• Seiko 0777-977
• Seiko 7160-360
• Seiko 5671-819
• Seiko 7023-204
• Seiko 7014-643
• Seiko 7177-524
• Seiko 6290-735
• Seiko 6223-903
• Seiko 6230-658
• Seiko 7189-244
• Seiko 4514-494
• Seiko 5224-216