Seiko Cal. 5240 - 771

Seiko 5240-771

The 5240-771 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-76a288237d82]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1981

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seikata-wm-76a288237d82