Seiko Cal. 4564 - 188

This Quartz model from 1979 features a 40mm Two-Tone case. Powered by the 4564 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6370f6da628a]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 6384-160
• Seiko 7026-687
• Seiko 0725-782
• Seiko 3819-995
• Seiko 6371-546
• Seiko 6674-286
• Seiko 6654-624
• Seiko 7045-353
• Seiko 6386-398
• Seiko 5614-875
• Seiko 4486-972
• Seiko 6113-899