Seiko Cal. 5677 - 836

The Seiko 5677-836 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-37a1bd318e10]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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