Seiko Cal. 4438 - 709

The Seiko 4438-709 represents an important milestone in Seiko's 1976 lineup. Powered by the 4438 caliber with 25j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-f854c1f634ff]

Also known as: Shogun, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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