Seiko Cal. 7027 - 771

The 7027-771 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-6a1e8cfa555a]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1999

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