Seiko Cal. 6637 - 527

Seiko 6637-527

The 6637-527 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-36f791562e80]

Also known as: Samurai

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1987

Related Models

seikata-wm-36f791562e80