Seiko Cal. 4436 - 971

The Seiko 4436-971 represents an important milestone in Seiko's 1970 lineup. Powered by the 4436 caliber with 34j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-367e6618df3f]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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