Seiko Cal. 5684 - 377

The Seiko 5684-377 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ae31df63fb57]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1979

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