Seiko Cal. 4431 - 131

The Seiko 4431-131 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-0d03f7035ae2]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1998

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