Seiko Cal. 6327 - 421

The Seiko 6327-421 represents an important milestone in Seiko's 1986 lineup. Powered by the 6327 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-04ce4669d503]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1986

Related Models

• Seiko 7180-228
• Seiko 6127-308
• Seiko 6366-259
• Seiko 0749-465
• Seiko 5621-262
• Seiko 5627-932
• Seiko 5259-750
• Seiko 6271-459
• Seiko 7125-441
• Seiko 0783-978
• Seiko 0760-233
• Seiko 7085-939