Seiko Cal. 4536 - 977

This Spring Drive model from 1979 features a 46mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2f2c0193dc4d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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