Seiko Cal. 4521 - 607

This Solar model from 1970 features a 35mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1da8d0e0f39a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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