Seiko Cal. 4577 - 364

This Solar model from 1990 features a 36mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bdc39bc43bb9]

Also known as: Monster, Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1990

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