Seiko Cal. 4413 - 131

This Spring Drive model from 1987 features a 41mm Gold-Plated case. Powered by the 4413 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-628272d4e6d6]

Also known as: Pogue, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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