Seiko Cal. 6157 - 789

This Spring Drive model from 1989 features a 40mm Two-Tone case. Powered by the 6157 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-2f1b21e2cea3]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1989

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