Seiko Cal. 6240 - 428

Seiko 6240-428

The 6240-428 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-82ea4d5705a4]

Also known as: Helmet, UFO

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1988

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