Seiko Cal. 7183 - 516

The Seiko 7183-516 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5bdecf36f8a9]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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