Seiko Cal. 4431 - 847

Seiko 4431-847

The 4431-847 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-a9f87bc74dc0]

Also known as: Rally, Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1970

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