Seiko Cal. 7091 - 251

The 7091-251 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-09264098228b]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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