Seiko Cal. 5676 - 663

The Seiko 5676-663 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-28ec6bb3f5f1]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1987

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