Seiko Cal. 4564 - 431

The 4564-431 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4564 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-26ab69ab965a]

Also known as: Panda, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1997

Related Models

• Seiko 6649-712
• Seiko 7135-833
• Seiko 3889-939
• Seiko 7014-774
• Seiko 0724-581
• Seiko 0744-279
• Seiko 6155-919
• Seiko 3842-990
• Seiko 7020-598
• Seiko 4475-108
• Seiko 6310-408
• Seiko 6249-824