Seiko Cal. 3866 - 503

This Automatic model from 1998 features a 36mm Hardlex-Coated Steel case. Powered by the 3866 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-8478c00ba001]

Also known as: Turtle, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1998

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