Seiko Cal. 7187 - 399

The 7187-399 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e15c789384a9]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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