Seiko Cal. 0783 - 622

This Hand-Winding model from 1998 features a 38mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-453960eab721]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1998

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