Seiko Cal. 5663 - 255

This Solar model from 1977 features a 44mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-a26166963720]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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