Seiko Cal. 4491 - 590

Seiko 4491-590

The 4491-590 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4491 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-7bbf7a59695d]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Silver
Jewels
36j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1985

Related Models

seikata-wm-7bbf7a59695d