Seiko Cal. 5640 - 522

Seiko 5640-522

This Solar model from 1987 features a 34mm Hardlex-Coated Steel case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-231168b63d05]

Also known as: Bullhead, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1987

Related Models

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