Seiko Cal. 5255 - 936

This Spring Drive model from 1999 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-5c363b19f2ba]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1999

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