Seiko Cal. 6637 - 156

Seiko 6637-156

This Solar model from 1993 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-7554f89469a0]

Also known as: Navigator, Crown

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1993

Related Models

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