Seiko Cal. 5630 - 860

This Spring Drive model from 1973 features a 37mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-f0f9f4eac75c]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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