Seiko Cal. 5690 - 485

The Seiko 5690-485 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-4fab065544b1]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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