Seiko Cal. 7188 - 691

The Seiko 7188-691 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-fcf738827537]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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