Seiko Cal. 6364 - 427

The Seiko 6364-427 represents an important milestone in Seiko's 1980 lineup. Powered by the 6364 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-f834d1698c3b]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

Related Models

• Seiko 3897-827
• Seiko 0716-109
• Seiko 5213-708
• Seiko 6698-369
• Seiko 6331-571
• Seiko 7136-496
• Seiko 0728-979
• Seiko 6285-562
• Seiko 6329-698
• Seiko 0743-285
• Seiko 6261-638
• Seiko 5243-499