Seiko Cal. 6257 - 712

The Seiko 6257-712 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2600f1930cee]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1965

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