Seiko Cal. 6257 - 116

The Seiko 6257-116 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f3cb3f3ff04a]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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