Seiko Cal. 5664 - 438

Released in 1990, the Cal. 5664 with design code 438 was part of Seiko's domestic market collection. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-71efd82ad200]

Also known as: Shogun, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

Related Models

• Seiko 6196-675
• Seiko 5697-759
• Seiko 3875-723
• Seiko 7173-444
• Seiko 4582-529
• Seiko 6285-808
• Seiko 3871-523
• Seiko 6263-331
• Seiko 6678-253
• Seiko 6248-439
• Seiko 6121-527
• Seiko 6172-571