Seiko Cal. 7180 - 754

This Spring Drive model from 1966 features a 41mm Two-Tone case. Powered by the 7180 caliber with 25j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-ce5f0b0d1998]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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