Seiko Cal. 4431 - 457

The 4431-457 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-829a9d38c7a4]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1986

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