Seiko Cal. 4491 - 275

Seiko 4491-275

The 4491-275 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e1961a124237]

Also known as: Monster, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
17j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1971

Related Models

seikata-wm-e1961a124237