Seiko Cal. 6693 - 604

This Hand-Winding model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-4654c1b204ba]

Also known as: Bellmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1991

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