Seiko Cal. 7139 - 396

This Solar model from 1978 features a 39mm Two-Tone case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-ae913fa65806]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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