Seiko Cal. 7151 - 491

The 7151-491 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7151 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-f62d06c71224]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

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