Seiko Cal. 7183 - 274

The Seiko 7183-274 represents an important milestone in Seiko's 1966 lineup. Powered by the 7183 caliber with 32j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-edf92b41d0b0]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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