Seiko Cal. 5664 - 312

The 5664-312 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-46fa44ddaebe]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1997

Related Models

• Seiko 5681-717
• Seiko 6264-367
• Seiko 5290-598
• Seiko 3868-466
• Seiko 5670-258
• Seiko 4532-333
• Seiko 5264-700
• Seiko 7128-949
• Seiko 5615-867
• Seiko 6210-804
• Seiko 5610-839
• Seiko 5227-703