Seiko Cal. 3840 - 588

This Spring Drive model from 1996 features a 41mm Hardlex-Coated Steel case. Powered by the 3840 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-dff730630a07]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1996

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