Seiko Cal. 3845 - 747

The Seiko 3845-747 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-9865130bf016]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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