Seiko Cal. 5642 - 131

The 5642-131 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e3e9cfc3d149]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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