Seiko Cal. 5657 - 585

This Kinetic model from 1991 features a 39mm Two-Tone case. Powered by the 5657 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-be4f7ac328cf]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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