Seiko Cal. 7111 - 503

This Hand-Winding model from 1990 features a 35mm Gold-Plated case. Powered by the 7111 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-44ad0b77b2d1]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1990

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