Seiko Cal. 7137 - 313

This Automatic model from 1993 features a 46mm PVD Black case. Powered by the 7137 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-af7755684a6d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1993

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