Seiko Cal. 4550 - 538

Seiko 4550-538

The 4550-538 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4550 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-9d51883234c4]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
32j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1981

Related Models

seikata-wm-9d51883234c4