Seiko Cal. 6637 - 336

Seiko 6637-336

The 6637-336 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-44db5e299e53]

Also known as: UFO, Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1975

Related Models

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