Seiko Cal. 6665 - 820

This Hand-Winding model from 1978 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-4ef350f7d969]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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