Seiko Cal. 5644 - 251

The 5644-251 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7de802658ec9]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

Related Models

• Seiko 4420-693
• Seiko 6359-396
• Seiko 6262-842
• Seiko 5210-725
• Seiko 7033-137
• Seiko 6176-643
• Seiko 3876-558
• Seiko 6613-410
• Seiko 5250-346
• Seiko 3859-318
• Seiko 7019-360
• Seiko 4452-100