Seiko Cal. 6361 - 744

This Spring Drive model from 1981 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-fae4d43daa3f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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