Seiko Cal. 6157 - 648

This Automatic model from 1978 features a 42mm Two-Tone case. Powered by the 6157 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-1c196607e57d]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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