Seiko Cal. 3840 - 171

The 3840-171 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-871a87fc7155]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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