Seiko Cal. 5638 - 592

Seiko 5638-592

The 5638-592 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5638 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-794a208fb003]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Burgundy
Jewels
28j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1995

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