Seiko Cal. 4410 - 637

This Solar model from 1971 features a 38mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-517d636b9f2a]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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