Seiko Cal. 5611 - 239

This Spring Drive model from 1991 features a 37mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-fa7ab18551ad]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

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