Seiko Cal. 7131 - 455

The 7131-455 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c7a55f4e4185]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1974

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