Seiko Cal. 5617 - 157

The 5617-157 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7f285ff0d19f]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1985

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