Seiko Cal. 7188 - 225

The Seiko 7188-225 represents an important milestone in Seiko's 1971 lineup. Powered by the 7188 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f577e8a0aadd]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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