Seiko Cal. 5677 - 987

The 5677-987 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-6ddc598a3b33]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

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