Seiko Cal. 7156 - 546

The 7156-546 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-c508dc04d9c1]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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