Seiko Cal. 6311 - 987

Seiko 6311-987

The 6311-987 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-c9aadb188169]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
24j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1985

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seikata-wm-c9aadb188169