Seiko Cal. 7157 - 705

The Seiko 7157-705 represents an important milestone in Seiko's 1972 lineup. Powered by the 7157 caliber with 27j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-f59f5adea1b8]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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