Seiko Cal. 5270 - 237

The Seiko 5270-237 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-974e8fba565f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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