Seiko Cal. 5685 - 977

The Seiko 5685-977 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-0443d1fd85c3]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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