Seiko Cal. 5687 - 720

This Solar model from 1982 features a 39mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-63c59f17c4c2]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1982

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