Seiko Cal. 6637 - 671

Seiko 6637-671

This Solar model from 1969 features a 39mm Two-Tone case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f8930185061d]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1969

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seikata-wm-f8930185061d