Seiko Cal. 5640 - 541

This Quartz model from 1987 features a 34mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-7bfc53bf8cdb]

Also known as: Monster, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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