Seiko Cal. 7131 - 357

Released in 1976, the Cal. 7131 with design code 357 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c7aa60dabf9d]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1976

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