Seiko Cal. 6671 - 254

This Solar model from 1973 features a 36mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-afb04e6f7042]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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