Seiko Cal. 5669 - 412

This Spring Drive model from 1986 features a 40mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-cc2036253d36]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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