Seiko Cal. 5687 - 740

This Solar model from 1986 features a 39mm Gold-Plated case. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-7d2307aea871]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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