Seiko Cal. 7172 - 436

The 7172-436 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7172 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-bea109eb19ae]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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