Seiko Cal. 7121 - 327

This Automatic model from 1988 features a 44mm PVD Black case. Powered by the 7121 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-285f8c9c66d9]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

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