Seiko Cal. 6231 - 400

Seiko 6231-400

The 6231-400 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6231 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-303c8533580e]

Also known as: Panda, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1969

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seikata-wm-303c8533580e