Seiko Cal. 7178 - 176

The Seiko 7178-176 represents an important milestone in Seiko's 1972 lineup. Powered by the 7178 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-6e746ad65091]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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