Seiko Cal. 7054 - 850

Released in 1983, the Cal. 7054 with design code 850 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8b6db0bd5d55]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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