Seiko Cal. 5251 - 103

The Seiko 5251-103 represents an important milestone in Seiko's 1976 lineup. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0cd027ff122c]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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