Seiko Cal. 4531 - 267

The Seiko 4531-267 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-3733784fe3ad]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1966

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