Seiko Cal. 5637 - 728

Seiko 5637-728

The 5637-728 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e9cd7e7686d0]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1967

Related Models

seikata-wm-e9cd7e7686d0