Seiko Cal. 5665 - 651

Released in 1977, the Cal. 5665 with design code 651 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-79803dea4bcb]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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