Seiko Cal. 5633 - 744

Seiko 5633-744

The 5633-744 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-1b6d8f794d7c]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1985

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