Seiko Cal. 7191 - 256

Released in 1968, the Cal. 7191 with design code 256 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5f9ec7dc3815]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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