Seiko Cal. 4539 - 654

The 4539-654 is a sought-after Solar piece from Seiko's golden era. Powered by the 4539 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-a31a04acea15]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

Related Models

• Seiko 7164-735
• Seiko 6140-216
• Seiko 4486-639
• Seiko 4434-368
• Seiko 6675-645
• Seiko 6691-458
• Seiko 5639-107
• Seiko 0792-997
• Seiko 6212-525
• Seiko 4577-758
• Seiko 5235-640
• Seiko 4559-840