Seiko Cal. 7136 - 320

The Seiko 7136-320 represents an important milestone in Seiko's 1971 lineup. Powered by the 7136 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5eeccc56ab2c]

Also known as: Samurai, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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