Seiko Cal. 7161 - 821

The Seiko 7161-821 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c2368f635c87]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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