Seiko Cal. 3840 - 752

The 3840-752 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-11b47a2ecf92]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1993

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