Seiko Cal. 7131 - 711

The 7131-711 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-3f329d2eaff6]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1983

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