Seiko Cal. 4531 - 276

This Hand-Winding model from 1973 features a 46mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-d3d339b437e4]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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