Seiko Cal. 6394 - 621

The Seiko 6394-621 represents an important milestone in Seiko's 1987 lineup. Powered by the 6394 caliber with 32j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-f77a1fe1ce39]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

Related Models

• Seiko 3887-457
• Seiko 6342-636
• Seiko 4522-513
• Seiko 4415-231
• Seiko 6636-396
• Seiko 0738-928
• Seiko 7065-996
• Seiko 6249-331
• Seiko 6680-808
• Seiko 6392-575
• Seiko 4585-166
• Seiko 7177-802