Seiko Cal. 5657 - 494

The Seiko 5657-494 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-6bd214040982]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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