Seiko Cal. 6637 - 994

Seiko 6637-994

The 6637-994 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-c0914e2d3adf]

Also known as: Panda, Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1972

Related Models

seikata-wm-c0914e2d3adf