Seiko Cal. 4527 - 827

This Spring Drive model from 1986 features a 45mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-68ab3e217c57]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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