Seiko Cal. 6661 - 386

This Solar model from 1973 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-09ea8341ff27]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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