Seiko Cal. 6637 - 813

Seiko 6637-813

The 6637-813 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f0c29af74c67]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
White
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1980

Related Models

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