Seiko Cal. 7054 - 157

The Seiko 7054-157 represents an important milestone in Seiko's 1977 lineup. Powered by the 7054 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-95ebfa2c2c00]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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