Seiko Cal. 5257 - 714

The Seiko 5257-714 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-bc48eefee984]

Also known as: Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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