Seiko Cal. 4539 - 948

The 4539-948 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4539 caliber with 28j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-e339592dd33c]

Also known as: Turtle, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

Related Models

• Seiko 5211-755
• Seiko 5661-559
• Seiko 6289-270
• Seiko 7134-713
• Seiko 6658-815
• Seiko 5213-554
• Seiko 6334-221
• Seiko 4495-283
• Seiko 3820-630
• Seiko 7023-604
• Seiko 4428-651
• Seiko 4562-362