Seiko Cal. 5677 - 644

The Seiko 5677-644 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-351d73398c7a]

Also known as: Shogun, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1991

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