Seiko Cal. 6139 - 187

This Solar model from 1990 features a 39mm Stainless Steel case. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-77eec6725da5]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1990

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