Seiko Cal. 6631 - 649

Seiko 6631-649

The 6631-649 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-49356e4517f5]

Also known as: Turtle

Specifications

Movement
Solar
Case Material
Titanium
Case Width
42mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1980

Related Models

seikata-wm-49356e4517f5