Seiko Cal. 5661 - 892

This Solar model from 1972 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-4cbe035124a6]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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