Seiko Cal. 4540 - 680

This Solar model from 1986 features a 42mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-a467a6e039ae]

Also known as: Monster, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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