Seiko Cal. 5684 - 420

This Spring Drive model from 1977 features a 39mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-39ed4231f2a1]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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