Seiko Cal. 6687 - 433

Seiko 6687-433

The 6687-433 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-3ec0d9a8f1c5]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1987

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