Seiko Cal. 3840 - 508

The 3840-508 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-3cf26c57a1da]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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