Seiko Cal. 5661 - 363

Seiko 5661-363

This Spring Drive model from 1977 features a 39mm Gold-Plated case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b339fcc83c47]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1977

Related Models

seikata-wm-b339fcc83c47