Seiko Cal. 7188 - 452

The Seiko 7188-452 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-91e6614df7dd]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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