Seiko Cal. 5637 - 998

Seiko 5637-998

The 5637-998 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a7c24d9d8729]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1973

Related Models

seikata-wm-a7c24d9d8729