Seiko Cal. 3870 - 500

The 3870-500 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3870 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-f99fb3671431]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1985

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