Seiko Cal. 7157 - 255

This Solar model from 1975 features a 39mm Two-Tone case. Powered by the 7157 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9ad07cf2de52]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

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