Seiko Cal. 5623 - 373

Seiko 5623-373

The 5623-373 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5623 caliber with 26j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a0742cd1c270]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
26j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1997

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seikata-wm-a0742cd1c270