Seiko Cal. 7154 - 547

The Seiko 7154-547 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-7c45af50824e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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