Seiko Cal. 5636 - 681

Seiko 5636-681

This Quartz model from 1977 features a 36mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-f19fc0443770]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1977

Related Models

seikata-wm-f19fc0443770