Seiko Cal. 4521 - 811

Seiko 4521-811

This Hand-Winding model from 1977 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7d0354d22f31]

Also known as: Sumo, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1977

Related Models

seikata-wm-7d0354d22f31