Seiko Cal. 5642 - 644

The 5642-644 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5642 caliber with 22j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-aa3fb5423249]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

Related Models

• Seiko 6124-228
• Seiko 5687-635
• Seiko 6248-161
• Seiko 6663-673
• Seiko 7161-622
• Seiko 6367-958
• Seiko 0779-609
• Seiko 7051-256
• Seiko 7147-802
• Seiko 5661-161
• Seiko 5689-405
• Seiko 4512-345