Seiko Cal. 5677 - 645

The Seiko 5677-645 represents an important milestone in Seiko's 1990 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-3327c3a449dc]

Also known as: Turtle, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1990

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