Seiko Cal. 4539 - 122

This Spring Drive model from 1967 features a 34mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-13417afc21e6]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1967

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