Seiko Cal. 7140 - 687

Seiko 7140-687

The 7140-687 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-0488325bb8dc]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1982

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