Seiko Cal. 4491 - 427

Seiko 4491-427

This Hand-Winding model from 1972 features a 43mm PVD Black case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-72f8def47325]

Also known as: Tuna, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
43mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
34j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1972

Related Models

seikata-wm-72f8def47325