Seiko Cal. 6257 - 709

This Automatic model from 1990 features a 44mm Stainless Steel case. Powered by the 6257 caliber with 18j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a6e695cd3c2e]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

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