Seiko Cal. 3817 - 251

This Solar model from 1999 features a 46mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-77ee4fa233e0]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1999

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