Seiko Cal. 6661 - 262

This Hand-Winding model from 1976 features a 46mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-de7bed29e352]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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