Seiko Cal. 5270 - 450

The 5270-450 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-cbc668a59105]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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